research Determination of Some Sex Hormones in Health Supplements by Liquid Chromatography with Tandem Mass Spectrometry
The method detected sex hormones in some health supplements, with one containing banned testosterone.
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research Secondary Ion Mass Spectrometric Investigation of Penetration of Coconut and Mineral Oils into Human Hair Fibers: Relevance to Hair Damage
Coconut oil can penetrate hair better than mineral oil, potentially protecting against damage.
research Simultaneous Determination of 30 Hormones Illegally Added to Anti-Aging Functional Foods Using UPLC-MS/MS Coupled with SPE Clean-Up
New method effectively detects illegal hormones in anti-aging foods.
research Analytical Chemistry Studying Historical Pharmaceuticals and Health Care Formulations
Analytical chemistry helps understand the makeup and use of ancient medicines, but it's complex and challenging.
research Untargeted Metabolomics and Steroid Signatures in Urine of Male Pattern Baldness Patients After Finasteride Treatment for a Year
Finasteride treatment changes urine metabolomics and steroid signatures, potentially monitoring effectiveness but may cause sexual side effects.
research Alterations in Pattern Baldness According to Sex: Hair Metabolomics Approach
Hair loss causes differ between men and women due to changes in hormone levels and inflammation-related pathways.
research Thymosin Beta 4 Promotes Dermal Healing
Thymosin β4 helps improve skin healing and reduce scarring.
research Hair Follicle and Sebaceous Gland De Novo Regeneration With Cultured Epidermal Stem Cells and Skin-Derived Precursors
Scientists discovered that certain stem cells from mice and humans can be used to grow new hair follicles and skin glands when treated with a special mixture.
research Fissistigma Oldhamii (Hemsl.) Merr.: Ethnomedicinal, Phytochemistry, and Pharmacological Aspects
Fissistigma oldhamii has compounds that help with pain, inflammation, and other health issues.
research Mapping Penetration of Cosmetic Compounds into Hair Fibers Using Time-of-Flight Secondary Ion Mass Spectrometry (TOF-SIMS)
Different oils penetrate hair differently; monounsaturated oils like olive oil penetrate better than polyunsaturated oils.
research ToF-SIMS Characterization of the Lipid Layer on the Hair Surface: The Damage Caused by Chemical Treatments and UV Radiation
Chemical treatments and UV radiation severely damage the lipid layer on hair.
research Investigation of Human Hair Using ToF-SIMS: From Structural Analysis to the Identification of Cosmetic Residues
The conclusion is that a new method can identify cosmetic residues on hair and match them to their products.
research Penetration of Cationic Conditioning Compounds into Hair Fibers: A TOF-SIMS Approach
The study found that certain conditioning compounds can penetrate hair and potentially improve its resistance to damage.
research Biomimetics Through Bioconjugation of 16-Methylheptadecanoic Acid to Damaged Hair for Hair Barrier Recovery
16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.
research Structural Analysis of the Outermost Hair Surface Using TOF-SIMS with Gas Cluster Ion Beam Sputtering
The hair's outermost surface has multiple layers of lipids and proteins.
research Novel Insights Into Ascorbic Acid Skin Permeation
The best way to apply vitamin C to the skin is with a nanostructured lipid carrier formulation.
research Investigation of the Damage on the Outermost Hair Surface Using ToF-SIMS and XPS
Bleaching hair causes significant damage by breaking down proteins and fatty acids.
research Quantitative Analysis of Cashmere and Other Animal Hair Fibers in Textiles Using MALDI-TOF Mass Spectrometry
The new method reliably identifies and measures different animal hair fibers in textiles.
research Dyeing Regions of Oxidative Hair Dyes in Human Hair Investigated by Nanoscale Secondary Ion Mass Spectrometry
Hair dye colors mainly target melanin granules in black hair.
research Determination of 19 Steroid Hormones in Human Serum and Urine Using Liquid Chromatography-Tandem Mass Spectrometry
The method accurately measures 19 steroid hormones in human blood and urine using a small sample and is suitable for large-scale monitoring.
research Distribution of Glycolipid and Unsaturated Fatty Acids in Human Hair
Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
research Proteomic Tools for the Investigation of Human Hair Structural Proteins and Evidence of Weakness Sites on Hair Keratin Coil Segments
Hair proteins have weak spots in their α-helical segments.
research Extractives of Cercidiphyllum Japonicum Twigs: Isolation and Structural Elucidation of a New Galloylflavonol Glycoside, Anomeric Tannins and Flavonoids
Scientists found a new natural compound and other known compounds in Cercidiphyllum japonicum twigs, which might be useful for medicine.
research Structure of Intermediate Filament Assembly in Hair Deduced from Hydration Studies Using Small-Angle Neutron Scattering
Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
research Exploring the Effects of Wetting and Free Fatty Acid Deposition on a Hair Fiber Surface Model Incorporating Keratin Associated Protein 5-1
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
research Distribution Analysis of Triglyceride Having Repair Effect on Damaged Human Hair by TOF-SIMS
Hydrogenated palm oil repairs and conditions damaged hair by preventing swelling.
research A Connection Between the Mitochondrial Permeability Transition Pore, Autophagy, and Cerebral Amyloidogenesis
Dutasteride may help reduce brain plaque linked to Alzheimer's by affecting cell energy structures and waste removal.
research 5α-Reductase Type 2 Gene Variant Associations with Prostate Cancer Risk, Circulating Hormone Levels, and Androgenetic Alopecia
A49T gene variant linked to higher prostate cancer risk, lower hormone levels, and slightly reduced balding risk.
research Is Low-Level Laser Therapy Useful as an Adjunctive Treatment for Canine Acral Lick Dermatitis? A Randomized, Double-Blinded, Sham-Controlled Study
Low-level laser therapy did not reduce licking or improve lesions in dogs with ALD but did increase hair growth.
research Impact of Hair Damage on the Penetration Profile of Coconut, Avocado, and Argan Oils into Caucasian Hair Fibers
Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.